created sense approved 罪魁 · zuìkuí · ringleader
罪魁
zuìkuí
ringleader
the chief perpetrator or head of a criminal group
警方终于抓获了这起诈骗案的罪魁。
noun
created sense approved 罪魁 · zuìkuí · root cause
罪魁
zuìkuí
root cause
the main source or cause of a problem or disaster
长期熬夜是导致他健康恶化的罪魁。
noun